2018a). In addition, population estimates are based on expert judgement and a regular monitoring is [...] assemblages in the Danube is poorly known and often based on shoreline sampling (Szalóky et al., 2014). Hence [...] its conservation value and the lack of monitoring-based populations estimates, a special focus lies on the
to 2050. Future electricity generation systems based on renewable energy sources can reduce greenhouse [...] renewables require more material than scenarios based on fossil fuels or nuclear energy, but the additional
landscape data are either obtained from existing data bases (e.g. CORINE Landcover) or mapped in the field (usually [...] and indices for species richness, rarity, and, based on flower-visiting traits, the trait similarity
